.page-content>div.notice-wrap{width:700px;margin:30px auto;border-bottom:none}.link-to-top>a{display:inline-block;background-color:#f0f0f0;color:#1f1f1f;padding:4px 14px 4px 22px;line-height:1.2;position:relative}.link-to-top>a:hover{color:#1f1f1f;text-decoration:none;opacity:.7}.link-to-top>a::before{content:"";display:inline-block;width:5px;height:5px;border-top:solid 1px #1f1f1f;border-right:solid 1px #1f1f1f;-webkit-transform:rotate(45deg);transform:rotate(45deg);position:absolute;top:50%;left:10px;margin-top:-3px}.content-wrap .about-type{font-size:28px;margin-bottom:30px}.notice-text-title{font-size:16px;font-weight:700}.notice-text{line-height:2.2}.notice-num-list{list-style:decimal;margin-left:20px;line-height:2.2}.date-text{text-align:right;margin-bottom:30px}.mt50{margin-top:50px}.mt30{margin-top:30px}.mt20{margin-top:20px}@media only screen and (max-width:640px){.page-content>div.notice-wrap{width:auto;background-color:#fff;margin:0;padding:20px 0 50px}.page-content{padding:30px 20px 0}.content-wrap .about-type{font-size:22px;margin-bottom:20px;line-height:1.4}.content-wrap .about-type br{display:none}.notice-num-list,.notice-text{line-height:1.8}.date-text{margin-bottom:20px}}